Amino Acids, NeutralLarge Neutral Amino Acid-Transporter 1Amino AcidsAspartameAmino Acids, CyclicAmino Acid Transport SystemsTryptophanRationalizationDihydroxyphenylalaninePhenylalanineAmino Acid Transport Systems, NeutralBlood-Brain BarrierAntigens, CD98LeucinePhenylketonuriasBiological TransportAmino Acids, Branched-ChainAmino Acid Transport System ASCBrainAmino Acid Transport System ADietary ProteinsAminoisobutyric AcidsTyrosineSerotoninHartnup DiseaseAmino Acid Transport System LAmino Acid Transport Systems, BasicAlanineSequence Homology, Amino AcidAntigens, CD98 Heavy ChainAmino Acid SequenceAmino Acids, DiaminoKineticsSodiumAntigens, CD98 Light ChainsBiological Transport, ActiveCloning, Molecularbeta-AlanineAmino Acids, EssentialAmino Acid SubstitutionCarrier ProteinsMolecular Sequence DataProlineGlycineAmino Acid Transport System y+ValineIsoleucineHydrogen-Ion ConcentrationGlutamineCystineXenopus laevisBase SequenceNorleucineArginineMutationSubstrate SpecificityOocytesDNA, ComplementarySerineMethionineMutagenesis, Site-DirectedSequence AlignmentLysineAmino Acid Transport System y+LCell LineStructure-Activity RelationshipBinding SitesThreonineRecombinant Proteins4-ChloromercuribenzenesulfonateRNA, MessengerRNA, ComplementaryStereoisomerismProtein ConformationCell MembraneMicrovilliDipeptidesGlutamatesGlutamate Plasma Membrane Transport ProteinsModels, MolecularCystinuriaAmino Acid Transport System X-AGXenopusRabbitsDNAMembrane Transport ProteinsCysteineProtein BindingHypertonic SolutionsCattleAspartic AcidCarbon RadioisotopesAmino Acid MotifsEscherichia coliProtein Structure, TertiaryHepatic EncephalopathyKidneyHistidineMembrane ProteinsGlutamic Acid